Tip of the Day

Vitamin C is best known for enhancing immune function and reducing cold and flu symptoms. But the first physical signs of vitamin C deficiency are fatigue and irritability according to a landmark study by the National Institutes of Health. Vitamin C is needed for the body's synthesis of carnitine, and low levels of either nutrient interfere with the burning of fats for energy. Some research suggests that vitamin C supplements might improve endurance among athletes. (Source: Body & Soul Magazine, March 2004. Online at www.bodyandsoulmag.com.)